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Credit Facilities (Details Textual) - USD ($)
12 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2017
Credit Facilities (Textual)      
Interest rate, percentage 8.49%    
Interest expense $ 300,000 $ 1,400,000 $ 800,000
Accrued Interest $ 1,800,000